Answer / xxx

voltage, frequency has proportional relationship.
new KVA will be (500/4)=125 KVA

Answer / naveen

kva rating depend upon frequency so operating kva will be 100

how the vaccum ckt breaker workes..? how the arc is quenching in it?

1 Answers  

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if HT side voltage is high current is low . and LT side voltage is low current is high please explian.

5 Answers   HP,

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is dc shunt moter oprate on ac? if no why? if yes how?

8 Answers   IOCL, JJJ, Power Grid,

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Explain bypass capacitor?

0 Answers  

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what's the meaning of the negative going half cycle in the circuit containing a bulb and a switch in series with a input ac source. i mean what happens in the -ve cycle. the dir. of current changes or any other thing. if dir. changes then why we use fuse in only phase wire.

2 Answers  

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Is it weather conditions make any problems to the electrical equipments and if yes means is it any precautions needed?

1 Answers   Hexaware,

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compressor compresses air means exactly what happens?

2 Answers  

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can any one help me out by posting something related to rvnl interview for site engineer electrical.? what is the procedure? what kinda question they ask us? how long the interview goes? and any tips? and any thing you want to share?

0 Answers  

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What is the temperature and cooling aspects of dc motor

1 Answers  

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In generating stations which we generate current or voltage if it is voltage then how it will convert to current and power?

2 Answers   NIT,

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why auto transformer connected in star?

1 Answers  

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what is the function of Droop CT and where it is used?

3 Answers   Lanco,

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